MITSUBISHI MONTERO 2000 Service Repair Manual

S
to p rin g
Snap rin g R
in g gro ove
S to pper
r in g P
in io n sto pper P
in io n P
in io n sh aft
a sse m bly
( o ve rru nnin g
c lu tc h ) P
in io n sto pper P
in io n

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A
ir flo w se nso r B
aro m etr ic pre ssu re
s e nso r I
n ta ke air te m pera tu re
s e nso r E
ngin e co ola nt
t e m pera tu re se nso r A
cce le ra to r pedal
p osit io n sw it c h C
am sh aft p osit io n
s e nso r C
ra nk angle se nso r I
g nit io n sw it c h -S T D
eto natio n se nso r V
ehic le sp eed se nso r I
n hib it o r sw it c h I
g nit io n co ill A I
g nit io n
f a ilu re
s e nso r S
park plu g C
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4
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g nit io n co il E I
g nit io n co il D I
g nit io n co il C I
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park plu g in su la tio n re sis ta nce MW 1
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- -

ENGINE ELECTRICAL -Ignition System16-39
Voltage: 1.5VTerminal No.
123
When current is
flowing
When current is
not flowing
SECONDARY COIL CHECK
NOTE
It is impossible to check the secondary coil through the
continuity check as a diode is integrated in the secondary
coil circuit of this ignition coil. So, check the secondary coil
in the following procedure.
1. Disconnect the ignition coil connector.
2. Remove the ignition coil and install a new spark plug
to the ignition coil.
3. Connect the ignition coil connector.
4. Earth the side electrode of the spark plug and crank
the engine.
5. Check that spark is produced between the electrodes of
the spark plug.
6. If no spark is produced, replace the ignition coil with a
new one and recheck.
7. If spark is produced with the new ignition coil, replace
the old one as it is faulty. If no spark is produced again,
the ignition circuit is suspected as faulty. Check the ignition
circuit.
SPARK PLUG CHECK AND CLEANING
Caution
1. The spark plug gap for iridium plugs should not be
adjusted.
2. Cleaning iridium plugs may result in damage to the
iridium tip. Therefore, if cleaning is necessary
because the plug is sooty, use a plug cleaner, and
do not clean the plug for more than 20 seconds in
order to preserve the electrodes. A wire brush should
never be used.
3. The spark plugs in GDI engines are special iridium
plugs in which the electrodes can become black even
when the plugs are working normally. Carbon which
may become deposited on these plugs burns off more
readily than with conventional plugs, and so should
not cause any problems with spark plug performance.
Judgement of whether a spark plug is operating
normally or not should be made by checking the
insulation resistance.


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G NIT IO N CO IL <6G 7>
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R EM OVA L AND IN STA LLA TIO N